Vulnerabilities CVE-2026-5807

CVE-2026-5807

High

Open

TLP:CLEAR

Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations

NVD CVE.org

Critical Infrastructure

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Description

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This vulnerability, CVE-2026-5807, is fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0.

Details

CVSS Score: 7.5
EPSS Score ⓘ: 0.72%

50.6th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence: 90%
Published: Apr 17, 2026
Last Modified: Jul 15, 2026

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